Helical ramp life-preserver

“HELICAL RAMP LIFE-PRESERVER”, requested for the rescue of lives in case of fire in buildings that assist the going down of people, characterized by, structure (5), in half rings into the central pillars, or on the own wall of the building, or on its structure, one or two life-preserver ramp (6), helical with straight and curved modules whose inclination is calculated in function of the distance between pavements and with enough inclination to allow to slide without problems to the users and even to objects or animals which are aimed to save and sustained and defined by the helixes that surround it and going down until the ground pavement where the exit (7) with a water mirror or pool (8) with dimensions based in the height of the building and exit velocity, access ramps (4) made of straight module (4-A) and curved module (4-B), adapted to the necessary inclination to the going down, catwalks (2) with balustrades (3), that allows the access from the conventional cutting-fire doors (1) placed preferably laterally on the blind part of the building or side to side with a curtain of incombustible material, conventional water reservoirs (9) placed on the top of the building with dimensions based on the height of the building, fed by a conventional pumping system with independent generator, or by solar energy system or by batteries, pipes (10) running all the ramp (6) and controlled jet (11) automatically acted by the own opening of the cutting-fire doors.